[all-commits] [llvm/llvm-project] 73e93e: [X86] combineConcatVectorOps - attempt to recursiv...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 73e93ec3a2ab33050337b3f9daffaea689e99bbc
      https://github.com/llvm/llvm-project/commit/73e93ec3a2ab33050337b3f9daffaea689e99bbc
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-03-14 (Fri, 14 Mar 2025)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-interleaved-store-i16-stride-3.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i16-stride-7.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i8-stride-5.ll
    M llvm/test/CodeGen/X86/vector-interleaved-store-i8-stride-8.ll
    M llvm/test/CodeGen/X86/zero_extend_vector_inreg.ll

  Log Message:
  -----------
  [X86] combineConcatVectorOps - attempt to recursively call combineConcatVectorOps from inside ConcatSubOperand. (#131303)

Before falling back to creating a generic ISD::CONCAT_VECTORS node, see if we can directly concat the subvectors if we peek through any bitcasts.



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